Picket-forming machine.



J. W. SNEDEKER.

PIGKET FORMING MACHINE.

APPLICATION FILED JUNE 13, 1912.

Patented Mar. 18, 1913.

6 SHEETS-SHEET l.

I Elnuvutur COLUMBIA PLANuuxArn co., WASHINGTON, D. c.

J. W. SNEDEKER.

PIGKET FORMING MACHINE.

APPLICATION FILED JUNE 13, 1912.

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8 1, m ME H d$ Ln ufi Attnrnry COLUMBIA PLANOGRAPH CO4. WASHINGTON, 11.4;

J. W. SNEDEKBR.

PIGKET FORMING MACHINE.

APPLICATION FILED JUNE 13, 1912.

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PIGKET FORMING MACHINE.

APPLIOATION FILED JUNE 13, 1912.

1,056,225. Patented Mar. 18, 1913.

Fig. 9.

J. W. SNEDEKER.

PIGKET FORMING MACHINE.

APPLIGATION FILED JUNE 13, 1912.

Patented Mar. 18, 1913.

6 SHEETS-SHEET 5.

ZJuurutm- COLUMBIA PLANOGRAPH CO.,WASH1NGTON. n4 (:4

J. W. SNEDEKER.

PIGKET FORMING MACHINE.

APPLICATION FILED JUNE 13, 1912.

Patented Mar. 18, 1913.

6 SHEETS-SHEET 6.

' Euurutur COLUMBIA PLANOGRAPH CONWASMINGTDNV u. c.

JAIEIES If. SNEDEKER, OF ADRIAN, IVIIGHIGAN.

PICKET-EGBI'KINCT MACHINE.

Application filed June 13, 1912.

.rts hereinafter more fully set out particularly in the broke away. t is an enlarged transverse section through the machine, as on line l i of 2, showing the parts in Fig. is a similar tllEll IlOllllill OOSl llO D.

lIl tllell actuated view showing the position. Fig. 6 is a transverse section as on line 6-6 of showing the parts in their normal position. Fig. 7 is a similar view showing the parts in their actuated position. 8 is a detail in transverse section as on line 88 1g. e. 9 is a detail in transverse section as on line 99 of Fig. 6. 10 is e section as on line 1010 of 2. 11 is an enlarged view in transv s on as on line 1111 of Fig. 3. M 1 is an enlarged longitudinal section through the guide members which. hold the crim ed strand in position in the machine prior to the forming operation. Fig. 13 is a transverse section as on line 13-13 of Fig. 12. Fig. 14 is a plan view of a completed picket. Fig. 15 is a specification of Letters Patent.

Patented Mar. 18,1913;

Serial No. 703,460.

'ragmentary view in section as on line 515 of Fig. 2. Fig. 16 is a transverse 'ection as on line 16-16 of Fig. 15. Fig. 17 is an inverted plan of the bed of the machine similar to Fig. 3, showing the parts in the operated position. Fig. 18 is a top plan similar to Fig. 2, showing the parts for forming the picket in the operated position, other parts being broken away.

Referring to the drawings, by the charcters of reference marked'thereon, 1 design toe the bed of the machine and 2 the suport-ing frame thereof. Journaled transersely of the frame is the main shaft 8, carrying a pulley 1 driven by a belt 5 from any suitable source of power, not shown. Also journaled in the frame is a short transverse shaft 6, carrying a sprocket wheel 7, over which passes a sprocket chain 8 from a smaller sprocket wheel 9 (see Fig. 1) on the shaft 3, said sprocket chain being held at the proper tension by the idler l0, journaled at the outer end of the pivoted arm 11. Connected to said arm is a coiled spring 12 which maintains said idler in yielding contact with the chain. Also mounted upon the short shaft 6 is a large wheel 13, carrying upon a portion ofthe periphery thereof a cam 14. Journaled at one end on the pin 15, set in the perimeter of the wheel 13, is a pitman 16, the opposite end of said pitman being pivoted at 17 between the depending ears 18 on the under side of a frame 19 bolted to the under faces of the longitudinal movable cam-bars 20 (see Fig. 3) mounted to slide in guides 21 extending longitudinally of the bed on each side thereof. Each of the bars 20 is provided at its-for ward end with an inclined cam-face 22, and in the rear of the cam 22 with an oppositely inclined cam-face 23, for purposes hereinafter explained.

Depending from the under face of the bed near the center thereof are the ears 24, between which is fulcrumed at 25 a vertically depending lever 26 carrying upon the side thereof an anti-friction roller 27. Attached to the lower end of the lever 26 and to the frame is a. retractory spring 28. The lever 26 is so disposed as to cause the anti-friction roller 27 thereon to extend into the path of travel of the cam 1d on the wheel 13, whereby, as said wheel revolves, the lever 26 is actuated on its fulcrum in one direction by the cam 14, and in the other direction by the spring 28. The upper end of the lever 26 tions thereof in a vertical plane, a position in which it is desired that the strand shall lie when the picket is formed. To regulate the length of the loop of the picket, the end thereof is carried into engagement with a stop 7'7, adjustably mounted on the end of the supporting rod 7 8. The pickets are fed into the machine at a time when in the operation thereof the parts are in the position shown in 2, in which position, as the machine continues to operate, the sliding plate 33 will be actuated through the medium of the lever 26 and the cam 1e on the wheel 13 and will move forward. so as to embrace the forming member 36 within the U- shaped recess 35 therein, thereby bending the strand 69 around said member into the form of a loop and causing the sides thereof to lie in parallelism longitudinally of the bed. As the terminal portions of the strand swing together in this operation, they strike and depress the upper ends of the detents 67, and are finally arrested by the stop member 68 at which time the sides of the looped strand having passed the inner ends of the detents, the outer weighted ends thereof will drop, causing said inner ends to engage partially over he sides of the looped portion of the picket, and in conjunction with the forked stop member 68, confine them in place, as shown in Fig. 15, to extend longitudinally of the bed. In this position the side members of the looped portion of the strand lie across the gear members to of the slides 38 and cross the slides 48 beside the half-round I posts 49 thereof.

As the machine continues its operation, the cam-bars 20 are actuated through the medium of the pitman 16 to cause the camfaces 22 thereof to sequentially engage the anti-friction rollers as, and actuate the slide bars 38 simultaneously in pairs to cause the gears d0 pivoted between the inner ends thereof to rotate as said bars move inwardly, and confine the parallel sides of the looped portion of the picket between the embracing faces of said gears as they roll toward each other, as shown in Fig. 5. A further longitudinal movement of the cam-bars 20 in the same direction will cause the cam-faces 23 thereon to sequentially engage the antifriction rollers 52 on the slide-bars 48, and move said bars outwardly in pairs so as to cause the posts 49 at the inner ends thereof to spread the side portions of the looped part of the strand or picket, as clearly shown in Figs. 7 and 18, and form the diamondshaped sections 79 at the upper end of the picket, as clearly shown in Fig. 14. As the actuation of the pairs of slides 48 follows sequentially, the side portions of the strand are permitted to draw through the confining gears 40 to allow for the forming of each of the diamond-shaped sections 79 without danger of breaking the side members or subjecting them to an excessive longitudinal strain. After the completion of the formation of the picket, the cam-bars 20 are retracted by the operation of the pitman 16, thereby restoring the parts to their normal position, at which time the trip-arm 64 encounters the anti-friction roller 61 on the rod 59, thereby actuating said rod to rock the shaft and cause the arms 56 to swing upwardly and discharge the formed picket from the machine. rafter the arm 6% shall have passed from engagement with the antifriction roller 61, the spring 63 restores the rod 59 to its former position and rocks the shaft 5 1 to cause the arms 56 to swing downwardly into their receiving channels in the bed of the machine, in which position the parts are in readiness for a succeeding operation.

For the purpose of preventing the ends of the side members of the strand from which the picket is formed lapping each other and becoming entangled, a guard plate is secured to the rear of the bed to stand between the terminals of the looped portion of the strand, thus preventing the entanglement thereof when their terminal portions are swung together by the operation of the plate 33 in forming the loop of the picket.

Provision is made for shifting the driving belt 5 through the medium of a bail 31, which embraces said belt and is connected to a transversely movable rod 82, which crosses the bed and is pivotally connected to a lever 83 which is in turn pivoted to the frame.

Having thus fully set forth my invention, what I claim as new and desire to secure by Letters Patent is 1. A picket forming machine, comprising means for looping the picket strand, grasping members for holding the parallel sides of the looped portion at intervals, and means for sequentially separating the side members of the looped portion between said grasping members.

2. A. picket forming machine, comprising means for looping the picket strand, means for holding the parallel sides of the looped portion at intervals, means for sequentially separating the side members of the looped portion between said holding members, and means for discharging the formed picket from the machine.

3. In a picket forming machine, means for bending the picket strand to cause the portions thereof to lie in parallelism, means for clamping together the parallel portions of the strand at intervals, and means for separating the parallel portions between the clamping members to form the looped portion of the picket into a plurality of diamondshaped figures.

4. In a picket forming machine, means for bending a picket strand to form "parallel iortions, means for clamping the parallel portions together at intervals, means for separating' the parallel portions between two oi l e clampn'igz; devices to form oppositely disposed. late-al bends therein, and means for discl'iargi the formed picket from the machine.

:ln a picket en d1 n g 1mg machine, means strand to cause parts .allel relation, slides carryii pted to embrace anl confine th e parallel portions of the strand at inter 'als, slid carrying separating -lacinbers adapted to be actuated to separate the irallel EJ211105 between the confining memand means for actuating the slides carthe confining members and the slides the separating members.

. a picket forming machine, means for bending a strand to "form a loop therein and to cause portions oi the stranc to lie in parallel relation, slides carrying eonlirr ing member. adapted to embrace the pa *allel portions of the strz 11d at intervals, slides carrying separating members adapted to en age and separate the parallel portions of i me the strand between sad engaging members, reciprocatory cam-bars tor actuating said slides, means for reciprocating the cam-bars at predetermined intervals, and means for moving the a la anithat in bars.

slides in a direction opposite to r (51 they are actuated by the five cents each, by addressing;

for holdin the parallel portions of the picket together, and means for separating the pa 'allel portions of the picket between said clamping means.

8. In a picket forming machine, means for forming a loop in the picket strand and for causing portions of the picket extending from said loop to lie in parallelism, means for clamping together the parallel portions elf the strand at intervals, and means for separating the parallel portions out the picket between the clamping members.

i). in a picket forming machine, means for bending a picket strand to form parallel portions, a stop for arresting the parallel. ortiois of the picket when brought into parallelism, gravity detents tor confiningsaid parallel portions against said stop, means for clai'nping he parallel portions of the picket together at into vale, and means tor separating the parallel portions of the picket between said clamping devices.

10. ln a picket foflining machine, means for bending the picket strand to cause portions theieoi to lie in opposed relation, members for ioldinp; th opposed portions of the strand at intervals, and reciprocatory slides for bending the opposed portions of the strand between said hol 1;); members.

lfn stimony whereo sign this specification in the presence two Witnesses.

Cseoon.

lfl 'ashington, .u. c. 

